错位条件下基于“感应盲点”分析的非接触变压器建模及优化

发布时间：2018-06-08 12:36

本文选题：无线电能传输 + 感应盲点　；参考：《电力系统自动化》2017年02期

【摘要】：感应式无线电能传输系统中,非接触变压器存在错位等多种工况,引起耦合系数等参数大范围变化,影响系统特性。为了建立错位条件下非接触变压器的耦合系数模型,文中基于场路结合的分析方法,分析磁通耦合特性,给出了非接触变压器的"感应盲点"求解方法;并结合其耦合系数的变化规律,建立非接触变压器错位条件下耦合系数的计算模型。基于磁场分布的特点,进一步提出副边多绕组的新型非接触变压器结构。采用优化后的变压器结构,设计制作了60 W输出的非接触变换器,耦合系数的计算结果和实际测试结果一致,证明了所提"感应盲点"分析方法与耦合系数计算模型的正确性,验证了优化后的新型非接触变压器具有良好的错位自适应能力。
[Abstract]:In the inductive radio energy transmission system, the non-contact transformer has a variety of working conditions, such as dislocation, which causes a wide range of changes in the parameters such as coupling coefficient and affects the characteristics of the system. In order to establish the coupling coefficient model of non-contact transformer under the condition of dislocation, based on the analysis method of field-circuit combination, the coupling characteristic of magnetic flux is analyzed, and the solution method of "inductive blind spot" of non-contact transformer is given. According to the law of coupling coefficient, the calculation model of coupling coefficient is established under the condition of non-contact transformer dislocation. Based on the characteristics of magnetic field distribution, a new type of non-contact transformer with multi-winding secondary edges is proposed. Using the optimized transformer structure, a 60W output non-contact converter is designed and fabricated. The calculation results of coupling coefficient are consistent with the actual test results, which proves the correctness of the proposed "induction blind spot" analysis method and the coupling coefficient calculation model. It is verified that the optimized contactless transformer has good adaptive ability of dislocation.
【作者单位】：南京航空航天大学;香港理工大学电子及资讯工程系;
【基金】：国家自然科学基金资助项目(51677086) 航空科学基金资助项目(2015ZC52037)~~
【分类号】：TM724;TM41

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